package org.airlink.persistence.criteria.selections
{	import flex.persistence.criteria.Expression;

import org.airlink.persistence.criteria.ExpressionImpl;

	public class Abs extends ExpressionImpl
	{
		private var expression:Expression;
		
		public function Abs(x:Expression)  
		{
			this.expression = x;	
		}
		
		override public function toString():String{
			return "abs(" + expression.asValue() + ")";
		}
	}
}